It extends to the whole of India except the State of Jammu and Kashmir and applies to all judicial proceedings in or before any Court, including Court-martial, other than Courts-martial convened under the Army Act (44 and 45 Vict.,c.58), [the Naval Discipline Act (29 and 30, Vict.,c.109) or the Indian Navy (Discipline) Act,1934 (34 of 1934) or the Air Force Act (7Geo.5.,C51)] but not to affidavits presented to any Court or Officer, nor to proceedings before an arbitrator;